What exactly does WP Rocket do?

WP Rocket is a full cache plugin that comes with many features:

• Caching of all the pages for quick viewing
• Caching for mobile visitors
• Caching for logged in users
• Preloading the cache of pages
• Reduction of the number of HTTP requests to reduce loading time
• Decreasing bandwidth usage with GZIP compression
• Apply optimal browser caching headers (expires)
• Minification and concatenation of JS and CSS files
• Deferred loading of images (LazyLoad)
• WebP compatibility
• Deferred loading of JavaScript files
• Generation of Critical Path CSS and deferred loading of CSS files
• Database optimization
• WordPress Heartbeat API control
• DNS prefetch
• CDN integration
• Cloudflare integration
• Sucuri integration
• Host Google Analytics files locally
• Host Facebook Pixel files locally
• Easy import/export of settings
• Easy roll back to a previous version